         jarfile         "/root/.m2/repository/net/kuujo/copycat/copycat-server-example/0.6.0-SNAPSHOT/copycat-server-example-0.6.0-SNAPSHOT-shaded.jar"]
     (info node "starting copycat")
     (meh (c/exec :truncate :--size 0 "/var/log/copycat.log"))
-    (meh (c/exec :rm "/opt/copycat/examples/server/*.log"))
+    (meh (c/su (c/exec :rm "/opt/copycat/examples/server/*.log")))
     (c/su
       (c/cd "/opt/copycat/examples/server"
             (c/exec :java :-jar jarfile local-node-arg other-node-args

               [util :as net/util]]
              [jepsen.os.debian :as debian]
              [jepsen.checker.timeline :as timeline])
  (:import (java.util.concurrent ExecutionException)))

(defn- node-id [node]
  (Integer/parseInt (subs (name node) 1)))

    (:require [clojure [pprint :refer :all]
               [string :as str]]
              [clojure.java.io :as io]
              [clojure.tools.logging :refer [debug info warn error]]
              [copycat-jepsen.util :as cutil]
              [figaro.core :as figaro]
              [jepsen [core :as jepsen]
